Home / 110,717.40-166,076.10-40,587.60

Finding the Fourth Proportional to 110,717.40, 166,076.10 and 40,587.60

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Solution

The fourth proportional to 110,717.40, 166,076.10 and 40,587.60 is: 60,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717.40 : 166,076.10 = 40,587.60 : x
  2. Step 2: Convert to fraction form
    110,717.40/166,076.10 = 40,587.60/x
  3. Step 3: Cross multiply
    110,717.40x = 166,076.10 × 40,587.60
  4. Step 4: Simplify right side
    110,717.40x = 6,740,630,316.36
  5. Step 5: Solve for x
    x = 6,740,630,316.36/110,717.40
  6. Step 6: Final answer
    x = 60,881.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.